<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>


        body {
            background-image: url("../img/logo_bg.jpg"); /* 替换为你的图片链接或者文件路径 */
            background-repeat: repeat; /* 禁止图片重复 */
            background-size: cover; /* 调整图片大小以覆盖整个背景 */
        }
    </style>
</head>
<body>
<div class="container">
    <div class="content">
<h1>你没有权限进入此页面！</h1>
<button onclick="goBack()">返回</button>
<button onclick=location.href="/page/mainmenu">首页</button>

</div>
</div>
<script>
  function goBack() {
    window.history.back();
  }
</script>
</body>
</html>